for(i = 0; i < ntags && i < sizeof prop - 1 && prop[i] != '\0'; i++)
seltags[i] = prop[i] == '1';
if(i < sizeof prop - 1 && prop[i] != '\0') {
for(i = 0; i < ntags && i < sizeof prop - 1 && prop[i] != '\0'; i++)
seltags[i] = prop[i] == '1';
if(i < sizeof prop - 1 && prop[i] != '\0') {